황벽나무속 Phellodendron RUPR

1. 소엽의 뒷면에 흰 털이 밀생한다 ······································································································ 1012+. 털황벽

1. 소엽의 뒷면에 잔털이 있거나 털이 없다.

2. 소엽은 3~5쌍이고 뒷면의 주맥 밑부분에 털이 있다 ··········································································· 1012++. 섬황벽

2. 소엽은 5~13 개이다.

3. 소엽은 피침상 난형이며 가장자리에 털이 많다. 수피에 코르크가 발달하였다 ··························· 1012. 황벽나무(황경피나무)

3. 소엽은 난상 타원형이며 가장자리에 털이 적고 수피에 코르크의 발달이 뚜렷하지 않다 ······················ 1012+ + +. 넓은잎황벽